@type t() :: %Polarex.CustomerPaymentMethodCard{
  created_at: DateTime.t(),
  customer_id: String.t(),
  id: String.t(),
  is_default: boolean(),
  method_metadata: Polarex.PaymentMethodCardMetadata.t(),
  modified_at: DateTime.t() | nil,
  processor: String.t(),
  type: String.t()
}